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33 lines
643 B
LLVM
33 lines
643 B
LLVM
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
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; 4278190095 = 0xff00000f
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define i32 @f1(i32 %a) {
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; CHECK-LABEL: f1:
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; CHECK: bfc r
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%tmp = and i32 %a, 4278190095
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ret i32 %tmp
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}
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; 4286578688 = 0xff800000
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define i32 @f2(i32 %a) {
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; CHECK-LABEL: f2:
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; CHECK: bfc r
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%tmp = and i32 %a, 4286578688
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ret i32 %tmp
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}
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; 4095 = 0x00000fff
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define i32 @f3(i32 %a) {
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; CHECK-LABEL: f3:
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; CHECK: bfc r
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%tmp = and i32 %a, 4095
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ret i32 %tmp
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}
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; 2147483646 = 0x7ffffffe not implementable w/ BFC
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define i32 @f4(i32 %a) {
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; CHECK-LABEL: f4:
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%tmp = and i32 %a, 2147483646
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ret i32 %tmp
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}
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